are was 110 questions currently tagged with inner. Most of them are either a mistype variant of inner-classes, inner-join, etc. but there are also other variant of which I'm not comfortable to edit (android, python and iphone question mainly). If someone could take a look it would be nice. Also once, this cleanup is done, Now, should the inner tag be burninated to force people to tag their question properly or should we just leave it as it is now ?